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How to Grow Anthuriums

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How to Grow Anthuriums

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Overview

The anthurium is a flowering tropical plant that you can grow indoors no matter which climate zone you occupy. Native to Central and South America, the Anthurium genus of plants includes over 800 species, which vary in color, leaf and flower shape. The most commonly recognized anthurium has a red, heart-shaped flower, with a protruding spire in the center. The white "peace lily" is another anthurium family plant that is often grown in public areas such as shopping centers.

Growing Anthuriums

Step 1

Mix the peat moss-based potting mix with a little pine bark and Perlite, available at nurseries, and then fill your pot about three-quarters full with it. Take your anthurium out of its nursery pot and plant it in your ceramic pot. Then water it thoroughly.

Step 2

Fill a plant saucer with pebbles and set your potted anthurium on top of it. Keep the pebbles moist to provide humidity to your plant without making it live in a puddle of water.

Step 3

Keep your anthurium in an area indoors that receives filtered sunlight, but never bright, direct light. You might need to provide a source of heat for your plant because anthuriums need daytime temperatures of 78 to 90 degrees Fahrenheit and nighttime temperatures no lower than 70 degrees.

Step 4

Fertilize your anthurium with a slow time-release fertilizer. Dilute fertilizer with an N-P-K ratio of 3-1-2 to one-fourth strength and water with it every time you water your anthurium, about once each week.

Step 5

Spray your anthurium with insecticidal soap if you notice any ants on it, which can indicate the presence of aphids or scale insect. You can also use this type of remedy for thrips, spider mites and some other insects.

Step 6

Apply a fungicide to your anthurium if it shows signs of disease from a fungal organism. The most common disease is called Rhizoctinia, which you can control with a commercial fungicide.

Tips and Warnings

  • Nighttime temperatures lower than 50 degrees Fahrenheit can cause anthuriums to grow slowly and develop yellow leaves, especially on the bottom of the plant.

Things You'll Need

  • Anthurium plant
  • 10-inch ceramic pot with drainage hole
  • Peat moss-based potting mix
  • Pine bark
  • Perlite
  • Plant saucer
  • Pebbles
  • Filtered sunlight
  • Heat source (if needed)
  • Time-release fertilizer
  • Humidity meter (optional)
  • Insecticidal soap (optional)
  • Fungicide (optional)

References

  • Hawaii Tropicals
  • Cultivated anthuriums
  • Anthuriums and Spathiphyllums
Keywords: tropical houseplant, anthurium flowering, gardening indoors

About this Author

Barbara Fahs lives on Hawaii island, where she has created Hi'iaka's Healing Herb Garden. Fahs wrote "Super Simple Guide to Creating Hawaiian Gardens" and has been a professional writer since 1984. She contributes to "Big Island Weekly," "Ke Ola" magazine and various websites. She earned her Bachelor of Arts at University of California, Santa Barbara and her Master of Arts from San Jose State University.